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Servo control system

  • US 5,252,902 A
  • Filed: 03/01/1990
  • Issued: 10/12/1993
  • Est. Priority Date: 03/02/1990
  • Status: Expired due to Fees
First Claim
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1. A servo control system comprising:

  • a servo motor;

    current control means responsive to a velocity command signal for supplying a drive current to said servo motor;

    position and velocity control means, physically separated from said current control means, responsive to a position command signal and a signal representing a current position and velocity of said servo motor for supplying the velocity command signal to the current control means; and

    communication means provided between said current control means and said position and velocity control means for transmitting data between said current control means and said position and velocity control means by means of a bidirectional data communication line, said communication means including a first bidirectional communication interface provided in said position and velocity control means and a second bidirectional communication interface provided in said current control means.

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